High vibration reduction, shock absorption

No melting point and heat resistance（Reflow soldering resistance）

Good adhesion to metal plates

Flexibility and rubber elasticity

Good insulation

Vibration damping and shock absorption for automobile parts

Shock absorption property to CFRP

Reduction of the sound in EV carAdhesive sheet to fill up in narrow gap between electronic parts

Vibration damping and shock absorption film（Under development）

Sample

Thickness（mm）

Urethane

0.079

MCC

Urethane

1.0

Foaming type

Silicone

1.0

Gel type

1.0Puncture impactenergy(J)※1 1.8

Acrylic

0.87

2.5

1.0

26.4

Epoxy

0.5

21.6

0.1

7.7 8.8 1.5 17.3

■ Shock absorption propertyGood compared to existing forming films and gel films

■ Vibration damping propertyThe epoxy film has a good vibration dampingproperty compared to a existing film.

※1: Puncture impact test Φ=1mm, speed：3m/s

＊Inertance is the value that vibrational acceleration　is divided by stress given by a hammer.

Measurement of vibration damping on aluminum plate

Inertance ((m/s2 )/N)

30

20

10

0

-10

-20

-300 0.2 0.4

Time(s)0.6 0.8 1

AL３ｍｍ

AL３ｍｍ＋Urethane １ｍｍ

AL3mm＋Epoxy 1mm

Filmsample

Aluminum plate

Acceleration sensor

hammer

Characteristics and Advantages

Applicable components

Proposal for the future